// Copyright (C) Kumo inc. and its affiliates.
// Author: Jeff.li lijippy@163.com
// All rights reserved.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//
#pragma once

#include <pollux/functions/macros.h>

namespace kumo::pollux::functions {
    template<typename T>
    struct CardinalityFunction {
        POLLUX_DEFINE_FUNCTION_TYPES(T);

        void call(int64_t &out, const arg_type<Array<Generic<T1> > > &input) {
            out = input.size();
        }

        void call(
            int64_t &out,
            const arg_type<Map<Generic<T1>, Generic<T2> > > &input) {
            out = input.size();
        }
    };
} // namespace kumo::pollux::functions
